itself, does not conduct studies. we have to remember that aa is a fellowship, a society and its based upon principles of attraction rather than promotion. so aa does not promote itself. it does not contact treatment facilities, jails, courts, practitioners, et cetera, and recruit members. so, it's strictly a program of attraction. the only thing that aa does that i am aware of is they conduct a study of sample study of 8,000 members, approximately every four years to find out the demographics of the individual members and people who identify themselves as members. >> to do we have joaquin, a recovering alcoholic who sent us a video comment. give him a listen? >> on may 1st, 2013, i prayed to god to stop drinking, and i found the doors of aa.